3 articles
The joke says it's one of the two hard problems. The reality is that most teams never write an invalidation strategy at all — they write a TTL and hope. Here is what the alternatives actually cost.
Async I/O and a built-in uuidv7() were the headline features. One of them quietly fixed a problem I had been working around for two years; the other did less than the benchmarks promised.
You added the index, ran the query, and it is still slow. The planner is not ignoring you — it is telling you something about your data, your column order, or your types. Here is how to read what it says.
